our felicia taylor looks at what the stage version could be like. >> reporter: racy, raunchy, risque? some might call it soft porn. it's the book that made women squeal with pleasure. ♪ want to open my eyes and see all 50 shades ♪ >> reporter: now on stage, others are belting out a different kind of tune in its honor. ♪ open your book open your mind ♪ >> the spoof is a titillating spectacle with plenty of sensuality. the stage version parodies eat rottic best seller by centering around a middle aged ladies book club obsessed with the more colorful parts which become the butt of jokes through a series of sketches. here we are with the cast of "50 shades" at their dress rehearsal to get a first look at the scenes before they actually hit the great white way. >> a couple of friends of mine actually came to me with the idea. initially, i said what a terrible yudt. i can't make that funny, a very serious thing, about sex. but i was convinced and we started writing these songs and they were really, really funny. ♪ >> reporter: this musical production is as erotic and decadent as y